Quick Answer: The Centre-Zero Meter is a moving coil meter reading 50-0-50 mV and 50-0-50 µA, for use as a galvanometer in electromagnetic induction work or as an indicator in slow a.c. experiments.
Last updated: October 2026
Key Features
Centre-zero movement: 50-0-50 mV, 50-0-50 µA
Subsidiary 3.5-0-3.5 scale for the Dual 3.5 mA shunt
1000 ohm moving coil movement
Diode protected against overloads up to 12 V d.c.
Electronically identical to the Basic Student Meter
Shunts and multipliers available separately
Technical Specifications
Specification
Value
Movement
Moving coil, 1000 ohm
Ranges
50-0-50 mV, 50-0-50 µA
Subsidiary scale
3.5-0-3.5
Overload protection
Diode, up to 12 V d.c.
Mass
0.37 kg
Dimensions
150 mm x 100 mm x 70 mm
About This Product
Electronically identical to the Basic Student Meter, this meter has its zero at the centre of the scale. It works as a galvanometer for investigating electromagnetic induction or as an indicator in slow a.c. experiments. The movement is diode protected against overloads up to 12 V d.c.
Frequently Asked Questions
Q1. Which shunts and multipliers can be used with it? The range includes 1A/5A, 2A/10A, 1mA/10mA and dual 3.5mA d.c. shunts, 10/50/100mA and 1/5/10A a.c. units, and 5V/10V and 1V/5V d.c. multimeter units. They are not included.
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